Which of the following is the cause for sudden loss of vision in a diabetic patient?

Vitreous hemorrhage is a common cause of sudden visual loss in diabetic patients. Other causes of loss of vision in patients with diabetes are: Retinal detachment: Patients presents with flashes and floaters with a grey cuain in the periphery of vision. Central retinal vein occlusion: cause loss of vision especially in patients with coexisting hypeension. Central retinal aery occlusion: It cause painless loss of vision especially in older patients more than 60 years. It occur due to retinal aery thrombosis or embolism. Ischemic optic neuropathy: It leads to infarction of the optic disc and sudden onset of central visual loss. Ref: Understanding Diabetes and Endocrinology By Darryl Meekin page 32.